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Finding the Fourth Proportional to 18,041.33, 27,062.45 and 8,551.42

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Solution

The fourth proportional to 18,041.33, 27,062.45 and 8,551.42 is: 12,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.33 : 27,062.45 = 8,551.42 : x
  2. Step 2: Convert to fraction form
    18,041.33/27,062.45 = 8,551.42/x
  3. Step 3: Cross multiply
    18,041.33x = 27,062.45 × 8,551.42
  4. Step 4: Simplify right side
    18,041.33x = 231,422,376.18
  5. Step 5: Solve for x
    x = 231,422,376.18/18,041.33
  6. Step 6: Final answer
    x = 12,827.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.